Well, if you want to go into that: Building a solar panel needs mining, rather like how building a nuclear power station does. Once the solar is there, the sun

Well, if you want to go into that: Building a solar panel needs mining, rather like how building a nuclear power station does. Once the solar is there, the sun supplies the fuel, not a mining process. If you're a programmer, you might say that solar has O(1) mining while nuclear has O(n).